I'm in the process of installing Fortune Auto MSC-1 coilovers. I say process because they don't exactly fit right and require a slight modification. This is how I know about the struts I mentioned above.
2011 E92 N55 xDrive 6MT
Pure Stg 2 | DV+ | Pure inlet | MHD/JB4
Stage 2 lpfp | BMS Intake | Shifteck 4-inch "expansion chamber" | MXP catback
VRSF 7" FMIC | ECS 2-piece rotors
255/40-18 square | 8.5x18 ET35
Fortune Auto MSC-1 coilovers 8k/10k